Maybe you should ask someone like Alan Joyce these questions as he might have a bit more knowledge in these areas . After all , unlike me , he has a vested interest .
But , I'll have a go anyway .
1. Lesbians and sperm banks . Hetero couples use sperm banks , IVF etc in order to have kids . That is , they have assistance to the natural process . They also use surrogates ( legal in Australia ?? ) So , what's the difference ?
2. My understanding is adoption rates are falling quite rapidly . However , adoption is more about the child than the parent in that the child is in need of a good home . As far as a rating goes , I think there is a bit more to it than just the sexuality of the parents . Better the child is adopted by suitable gay parents than no parents at all I would say .
http://www.aihw.gov.au/adoptions/
3. Do they still have sex ed classes ? Seriously ? I would have thought the internet might have fixed that problem and no , I don't mean internet porn .
4. Don't understand the question .
5. I have previously posted that in my opinion ( I'm no expert ) kids should have both male and female parents/mentors/role models in their lives . I pointed out that there are many single parent hetero families where one parent does not participate in the upbringing of the kids . So they have to rely on teachers , uncles/aunties , grandparents , friends to help fill that gap .
Remember that gay couples can already have children and as far as I know have all the other rights and responsibilities of hetero ( married or unmarried ) couples .
So , if that is true , then the only difference is that they don't have the little piece of paper . That's why I fail to see the argument .